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author	Yinghai Lu <yhlu.kernel.send@gmail.com>
	Fri, 21 Mar 2008 06:58:33 +0000 (23:58 -0700)
committer	Ingo Molnar <mingo@elte.hu>
	Thu, 17 Apr 2008 15:41:19 +0000 (17:41 +0200)
commit	272b9cad6e7a2f61b13cfcd7dde0010e02e9376e
tree	ce0983f52c1a34e1b048a766812dc17607655748	tree \| snapshot
parent	a5ae1c372dc5bbaee905bcede524d7180d22b362	commit \| diff

x86: early memtest to find bad ram

do simple memtest after init_memory_mapping

use find_e820_area_size to find all ram range that is not reserved.

and do some simple bits test to find some bad ram.

if find some bad ram, use reserve_early to exclude that range.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/e820_64.c		diff \| blob \| history
arch/x86/mm/init_64.c		diff \| blob \| history
include/asm-x86/e820_64.h		diff \| blob \| history

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